Integrated isolated power supply, powerful fully isolated current sensing circuit for solar photovoltaic converters
In early 2005, NEC Electronics launched small-pin-count microcontrollers such as PIC/AVR based on the 78K0S architecture. The 78K architecture has a register set similar to the i8085 and additional bit manipulation instructions. It is said to be a classic architecture, but the memory organization is simpler than PIC/AVR. There are various devices with dedicated peripherals, and the 78K series occupies a considerable share of industrial equipment. In the early days, only OTP/Mask products were available, so they were not popular among electronic crafts. However, the small pin count 78K series with flash memory is getting some attention from Japanese microcontroller geeks. Powerful IDEs (compilers, assemblers, simulators, etc.) are also provided for free. I built a very simple 78K0S flash programming adapter for these devices. Additionally, I built a universal programming adapter for V850ES, LPCxxxx, STM32F, etc.
Although Geiger counters can be used to detect amounts of radiation, and with some tricks can also differentiate between the three types of radiation (alpha, beta, and gamma), their use is limited in identifying radioactive materials. For this purpose, gamma-ray spectrometers come in handy.
The EPC901 is a 1024x1 CCD sensor capable of providing 50MHz pixel output. It outputs analog voltage from the CCD element. The author paired it with a 50MSps ADC on a SYZYGY board. The datasheet says it can run up to 50k fps. External I/O is provided via optocouplers to facilitate connection to external trigger sources such as motion controllers. This board will assist in conducting experiments on the new PnP platform. Objects can be moved through the line scanner to capture the position of the photo.
Renesas is ready for the cold with a full lineup of power and analog components spec’d to operate down to -40 °C.
With features like adaptive cruise control, driver monitoring, automatic lane centering, etc., it is available for Toyota, Hyundai, Honda and many other brands, about 275+ models. openpilot complies with ISO26262 guidelines.
The complete PCB related files are open source, and there is also a design document for reference and study.
The STEVAL-ILL089V1 evaluation board is based on the ALED6000 monolithic current source for high power LED driving. Digital dimming is implemented by driving the dedicated DIM pin. Low drop-out operation with almost 100% duty cycle can be achieved.
The MAXREFDES117# reference design is a photoplethysmogram (PPG-optical) based heart-rate and SpO2 sensor. mbed and Arduino firmware and hardware design files as well as lab measurements are provided. Boards are available for purchase.
The PD150 is a compact 150MHz differential oscilloscope probe for engineers on a budget and advanced hobbyists. It has advanced features such as automatic DC offset voltage zeroing and low-frequency common-mode rejection tuning. It will also provide complete documentation in the spirit of old-school "anchor" test equipment, detailing its working principles in addition to typical instructions and specifications.
3D printer filament can be produced from discarded water bottles, which will serve two key purposes: recycling plastic waste and producing 3D printer filament at extremely low cost.
The authors hope that as many people as possible will replicate and improve on this project. Therefore, all CAD, firmware and other resources are open source. Special consideration was also given to ensuring that all parts and tools used in the build process were easily sourced.
NXP's ASIL-D automotive system platform is a reference design that enables high-voltage power inverter control to drive electric vehicle traction motors and DC-DC converters.
The acceleration sensing unit (RSL10+KX023) attached to the back of the door is used to detect vibration and movement to detect events such as opening the door and knocking on the door. It also interacts with the terminal through information through BLE and can view the log on the handheld terminal. Handheld terminals are also implemented with RSL10. After powering on, it automatically scans the target device and connects to it. After connecting, it obtains the time and date information of the device (which can be modified at this time), and then enters the log interface. The wireless sensing unit and the BLE terminal exchange information through the BLE connection.
NXPProvides highly flexible, market-ready development tools in an evaluation kit based on the i.MX 6SoloLite applications processor.
FRDM-TOUCH is a touch module for FRDM-KE15Z
The SA636DK evaluation demonstration board is used to evaluate the RF development platform for 110.592 MHz RF and 9.8 MHz IF.
This board and associated firmware can be used to switch between two serial NMEA GPS feeds based on repair status. The resulting feed is transmitted over a third serial line with RS232 levels. This board is designed around the Cypress PSoC CY8C27143. The PCB is designed using KiCAD.
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